tree 9b4885aa1e74161138caf5f611e5f99d379a817e
parent 5cd68c9864d65e49c910c701716e4e94e09f7ce0
author Chris Wilson <chris@chris-wilson.co.uk> 1281612972 +0100
committer Chris Wilson <chris@chris-wilson.co.uk> 1283937830 +0100

drm/i915: Preallocate requests

By allocating the request prior to writing to the ringbuffer, we can
abort the operation without leaving the GPU in an inconsistent state.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>